:root {
  --bg: #f7f8f5;
  --card: #ffffff;
  --ink: #1d2421;
  --ink2: #48524e;
  --line: #dfe3dd;
  --accent: #0d6a66;
  --soft: #e3f0ee;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121614;
    --card: #1b201e;
    --ink: #edf1ee;
    --ink2: #b4bdb8;
    --line: #2e3532;
    --accent: #5cc3bb;
    --soft: #1f2f2d;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans', 'Noto Sans Kannada', 'Noto Sans Devanagari', Arial, sans-serif;
}
a { color: var(--accent); }
header, main, footer { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header { padding-top: 28px; }
nav { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 15px; margin-bottom: 18px; }
nav a { text-decoration: none; font-weight: 600; }
nav a[aria-current='page'] { text-decoration: underline; }
.brand { font-weight: 700; font-size: 18px; margin: 0 0 8px; }
h1 { font-size: 28px; line-height: 1.25; margin: 8px 0 4px; }
.meta { color: var(--ink2); font-size: 14px; margin: 0 0 18px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 20px 18px; margin-bottom: 18px; }
h2 { font-size: 19px; margin: 26px 0 8px; color: var(--accent); }
.card > h2:first-child { margin-top: 0; }
h3 { font-size: 16px; margin: 18px 0 6px; }
ul { padding-left: 22px; }
li { margin-bottom: 6px; }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; margin: 8px 0 14px; display: block; overflow-x: auto; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border: 1px solid var(--line); }
th { background: var(--soft); }
.note { background: var(--soft); border-radius: 12px; padding: 12px 14px; font-size: 15px; }
footer { color: var(--ink2); font-size: 13.5px; padding-bottom: 32px; }